Is it Fair to Criticize Canonical and Ubuntu for Going Commercial?

Of the various Linux distros that I use, I still favor Ubuntu over all others. It presents me with fewer usability and compatibility problems than other distros do, I’m used to it, it couldn’t be easier to try, or to add and remove applications, I run into zero security problems with it, and more. However, although Ubuntu has long been a darling of the Linux community it, and Canonical, are increasingly criticized for supposedly bowing to commercial interests. Are these criticisms fair?

Open source offerings in general, of course, are increasingly catering to commercial interests. Companies ranging from Red Hat to Drupal to Acquia to Jaspersoft and Canonical itself have shown that very viable businesses can be built around open source offerings. Does Canonical deserve to be criticized for becoming more commercially minded with Ubuntu?
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